PHILADELPHIA -- The Eagles will be without two of their three primary cornerbacks against the Dallas Cowboys on Sunday night, but there's good news about an important offensive player.

Cornerbacks Jalen Mills (foot) and Sidney Jones (hamstring) will not play against the Cowboys, while offensive lineman Lane Johnson (knee) will likely return to the lineup without missing any time.

Johnson sufferd a sprain MCL against the Jaguars in Week 8 and was expected to miss a month. Instead, he won't miss anytime at all.

"Jalen and Sidney are both on track, and we're going to do more -- Jalen is probably a little further away than Sidney is, and we'll continue to monitor both of them," Eagles coach Doug Pederson said on Friday at NovaCare Complex.

Defensive end Josh Sweat (hip) did not practice on Friday and is listed as questionable for Sunday. Cornerback Chandon Sullivan (illness) was limited in practice on Friday but wasn't listed on the injury report.

Also of note: running back Corey Clement was limited on Thursday by an illness but returned to full practice participation on Friday.

1. What will the secondary look like? With Jones out and Dexter McDougle released, the Eagles are lacking for options at nickel cornerback. The most obvious move would be to move Avonte Maddox back to cornerback from free safety, but the rookie has performed admirably at safety and the Eagles would prefer to keep him there. Likely, the team will take a sort of committee approach to filling the position, including using Maddox, safety Malcolm Jenkins, safety Corey Graham and newly acquired cornerback Cre'Von LeBlanc. Rasul Douglas will likely start in place of Mills on the outside, opposite Ronald Darby.

2. How will Johnson look? If nothing else, Johnson and left tackle Jason Peters might be the toughest players on the Eagles. Both have battled injuries that typically cost players a multi-week absence. Johnson hurt his ankle earlier in the season and now his knee issue. Peters tore his biceps, has battled a quad injury and has other ailments. Even if it's impacted their consistency in performance, the Eagles are much better off when both of them in the lineup than if one (or both) is absent. In the event one gets hurt on Sunday -- or if Johnson can't go -- Halapoulivaati Vaitai would likely step in. After that, the Eagles would likely reshuffle the offensive line group a bit and move Isaac Seumalo to tackle from left guard and insert reserve Stefen Wisniewski into the lineup.

3. Return game: We've covered at length here about what the Eagles might do at returner now that Sproles is out for this week. We're not closer to an answer, as the Eagles haven't signed any new players and Pederson wasn't willing to divulge any plan, though he did indicate that newly acquired receiver Golden Tate could step in if called upon.

"He can," Pederson said. "He's done it, and I think he can. I think it's something that we'll look at, but again, it's all part of being asked to do certain things. We've just got to be careful with it."